M. Semel

3.2k total citations · 1 hit paper
49 papers, 2.0k citations indexed

About

M. Semel is a scholar working on Astronomy and Astrophysics, Molecular Biology and Instrumentation. According to data from OpenAlex, M. Semel has authored 49 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 38 papers in Astronomy and Astrophysics, 8 papers in Molecular Biology and 6 papers in Instrumentation. Recurrent topics in M. Semel's work include Stellar, planetary, and galactic studies (28 papers), Solar and Space Plasma Dynamics (26 papers) and Astro and Planetary Science (13 papers). M. Semel is often cited by papers focused on Stellar, planetary, and galactic studies (28 papers), Solar and Space Plasma Dynamics (26 papers) and Astro and Planetary Science (13 papers). M. Semel collaborates with scholars based in France, United States and Australia. M. Semel's co-authors include J.‐F. Donati, A. Collier Cameron, Brad Carter, D. E. Rees, P. Petit, G. A. J. Hussain, A. López Ariste, S. C. Marsden, Tim J. Harries and Ian D. Howarth and has published in prestigious journals such as The Astrophysical Journal, Monthly Notices of the Royal Astronomical Society and Astronomy and Astrophysics.

In The Last Decade

M. Semel

47 papers receiving 2.0k citations

Hit Papers

Spectropolarimetric obser... 1997 2026 2006 2016 1997 250 500 750
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Spectropolarimetric observations of active stars
    1997 974 citations J.‐F. Donati, M. Semel et al. Monthly Notices of the Royal Astronomical Society profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
M. Semel 1.9k 329 134 77 61 49 2.0k
F. Paletou 1.4k 0.7× 190 0.6× 99 0.7× 66 0.9× 81 1.3× 56 1.4k
R. Pallavicini 2.3k 1.2× 357 1.1× 93 0.7× 53 0.7× 57 0.9× 142 2.3k
C. Catala 2.8k 1.4× 738 2.2× 73 0.5× 59 0.8× 86 1.4× 104 2.8k
A. Maggio 1.9k 1.0× 218 0.7× 50 0.4× 57 0.7× 63 1.0× 85 1.9k
С. В. Воронцов 869 0.4× 165 0.5× 79 0.6× 41 0.5× 39 0.6× 74 966
R. Cabanac 1.2k 0.6× 337 1.0× 50 0.4× 146 1.9× 32 0.5× 38 1.3k
C. M. Copperwheat 1.6k 0.8× 401 1.2× 63 0.5× 36 0.5× 109 1.8× 82 1.7k
G. R. Davies 1.9k 1.0× 967 2.9× 73 0.5× 85 1.1× 115 1.9× 87 2.0k
C. Neiner 3.3k 1.7× 865 2.6× 46 0.3× 55 0.7× 273 4.5× 175 3.3k
Alfred Gautschy 1.9k 1.0× 577 1.8× 33 0.2× 68 0.9× 126 2.1× 40 2.0k

Countries citing papers authored by M. Semel

Since Specialization
Citations

This map shows the geographic impact of M. Semel's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by M. Semel with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites M. Semel more than expected).

Fields of papers citing papers by M. Semel

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by M. Semel. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by M. Semel. The network helps show where M. Semel may publish in the future.

Co-authorship network of co-authors of M. Semel

This figure shows the co-authorship network connecting the top 25 collaborators of M. Semel. A scholar is included among the top collaborators of M. Semel based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with M. Semel. M. Semel is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Ramírez‐Vélez, Robinson, M. Semel, M. J. Stift, et al.. (2010). Spectropolarimetric multi line analysis of stellar magnetic fields. Springer Link (Chiba Institute of Technology). 7 indexed citations
2.
Semel, M., Robinson Ramírez‐Vélez, M. J. Martínez González, et al.. (2009). Multiline Zeeman signatures through line addition. Springer Link (Chiba Institute of Technology). 21 indexed citations
3.
Ramírez‐Vélez, Robinson, et al.. (2008). Strength distribution of solar magnetic fields in photospheric quiet Sun regions. Springer Link (Chiba Institute of Technology). 5 indexed citations
4.
González, M. J. Martínez, et al.. (2008). PCA detection and denoising of Zeeman signatures in polarised stellar spectra. Springer Link (Chiba Institute of Technology). 42 indexed citations
5.
Berdyugina, S. V., et al.. (2007). First polarimetric observations and modeling of the FeH F$^{4}\Delta$–X$^{4}\Delta$ system. Astronomy and Astrophysics. 473(1). L1–L4. 15 indexed citations
6.
Marsden, S. C., S. V. Berdyugina, J.‐F. Donati, et al.. (2005). A Sun in the Spectroscopic Binary IM Pegasi, the Guide Star for the G r a vi t y P r o be B Mission. The Astrophysical Journal. 634(2). L173–L176. 15 indexed citations
7.
Semel, M.. (2003). Spectropolarimetry and polarization-dependent fringes. Astronomy and Astrophysics. 401(1). 1–14. 29 indexed citations
8.
Cameron, A. Collier, J.‐F. Donati, & M. Semel. (2002). Stellar differential rotation from direct star-spot tracking. Monthly Notices of the Royal Astronomical Society. 330(3). 699–706. 48 indexed citations
9.
Semel, M. & A. López Ariste. (2001). Current Ground-Based Stellar Spectropolarimeters and their Use for Zeeman-Doppler Imaging. ASPC. 248. 575. 1 indexed citations
10.
Paletou, F., A. López Ariste, V. Bommier, & M. Semel. (2001). Full-Stokes spectropolarimetry of solar prominences. Astronomy and Astrophysics. 375(3). L39–L42. 31 indexed citations
11.
Ariste, A. López, et al.. (2000). First results from THEMIS spectropolarimetric mode. Astronomy and Astrophysics Supplement Series. 142(1). 137–148. 49 indexed citations
12.
Donati, J.‐F., A. Collier Cameron, G. A. J. Hussain, & M. Semel. (1999). Magnetic topology and prominence patterns on AB Doradus. Monthly Notices of the Royal Astronomical Society. 302(3). 437–456. 117 indexed citations
13.
Ariste, A. López & M. Semel. (1999). DIAGONAL: A numerical solution of the Stokes transfer equation. Astronomy and Astrophysics Supplement Series. 139(2). 417–424. 6 indexed citations
14.
Semel, M., et al.. (1996). Zeeman-Doppler imaging of solar-type stars: Multi line technique. Solar Physics. 164(1-2). 417–428. 20 indexed citations
15.
Semel, M., J.‐F. Donati, & D. E. Rees. (1993). Zeeman-Doppler imaging of active stars. III: Instrumental and technical considerations. 278(1). 231–237. 11 indexed citations
16.
Brown, S. F., J.‐F. Donati, D. E. Rees, & M. Semel. (1991). Zeeman-Doppler imaging of solar-type and AP stars. IV. Maximum entropy reconstruction of 2D magnetic topologies.. 250(2). 463–474. 5 indexed citations
17.
Donati, J.‐F., M. Semel, D. E. Rees, K. Taylor, & Richard D. Robinson. (1990). Detection of a magnetic region on HR 1099. NASA Technical Reports Server (NASA). 232(1). 4 indexed citations
18.
Semel, M., et al.. (1982). Magnetic and Velocity Fields of Emerging Flux Regions on the Sun. Publications of the Astronomical Society of Japan. 34(2). 299–310. 4 indexed citations
19.
Semel, M.. (1981). Magnetic fields observed in a sunspot and faculae using 12 lines simultaneously. A&A. 97(1). 75–78.
20.
Semel, M., et al.. (1968). Étude critique d'un champ ‘current-free’ dans l'atmosphère solaire. Symposium - International Astronomical Union. 35. 134–141. 5 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by F. Paletou Breakdown of academic impact, for papers by R. Pallavicini Breakdown of academic impact, for papers by C. Catala Breakdown of academic impact, for papers by A. Maggio Breakdown of academic impact, for papers by С. В. Воронцов Breakdown of academic impact, for papers by R. Cabanac Breakdown of academic impact, for papers by C. M. Copperwheat Breakdown of academic impact, for papers by G. R. Davies Breakdown of academic impact, for papers by C. Neiner Breakdown of academic impact, for papers by Alfred Gautschy
Rankless by CCL
2026